This device has been designed in compliance with safety standard IEC/EN61010-1 with double protective insulation in CAT III 300V. HT14D is provided with a wide LCD display and each function may be selected through its relevant switch. A further function of this device is Data HOLD to freeze data on the display. Model HT603 is an extremely compact digital multimeter o modern design and very easy to use, thanks to the comfortable case which contains the integrated measuring leads. The device allows carrying out measurements of AC/ DC voltage, Resistance, Continuity test, Frequency, Duty Cycle, Diode test and Capacity.